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8th Grade CUA 4 Practice Questions

Total questions: 33

Worksheet time: 33mins

Name
Class
Date
1.

Particles in a substance with a definite shape and a definite volume.

a)

Particles are close but can only vibrate in place

b)

Particles are close but can glide past each other

c)

Particles are far apart and move freely

d)

Particles are far apart but can only vibrate in place

2.

Particles in a substance with a definite volume and no definite shape.

a)

Particles are close but can only vibrate in place

b)

Particles are close but can glide past each other

c)

Particles are far apart and move freely

d)

Particles are far apart but can only vibrate in place

3.

Particles in a substance with no definite shape and no definite volume.

a)

Particles are close but can only vibrate in place

b)

Particles are close but can glide past each other

c)

Particles are far apart and move freely

d)

Particles are far apart but can only vibrate in place

4.

Which of the following statements is true?

a)

Weight depends on the location of an object and mass does not.

b)

Mass depends on the location of an object but weight does not.

c)

Both weight and mass depend on the location of an object.

d)

Neither weight nor mass depend on the location of an object.

5.

When ice (H2O) melts the

a)

volume and mass increase.

b)

volume and mass decrease.

c)

volume decreases but mass stays the same.

d)

volume increases and mass decreases.

6.

Given the following Mass and Volume of a liquid substance, calculate the density:

a)

0.8 g/mL

b)

1.25 g/mL

c)

0.8 mL/g

d)

1.25 mL/g

7.

Texture is a

a)

Chemical Property that can be measured

b)

Physical Property that can be measured

c)

Chemical Property that cannot be measured

d)

Physical Property that cannot be measured

8.

Using the table, calculate the density of a metal alloy that is 50% tin and 50% lead by weight.

a)

18.6 g/cm3

b)

9.3 g/cm3

c)

16.3 g/cm3

d)

8.15 g/cm3

9.

If an object has specific properties that can be observed without changing the identity of the substance, it must be a

a)

physical property

b)

chemical property

c)

biological property

d)

theoretical property

10.

Which of these objects has the most magnetic properties?

a)

a rubber sole

b)

aluminum foil

c)

quartz rock

d)

an iron gate

11.

When a substance changes from a gas to a liquid

(Generally speaking, with the exclusion of water)

a)

the energy decreases and the particle spacing increases

b)

the energy decreases and the particle spacing decreases

c)

the energy increases and the particle spacing increases

d)

the energy increases and the particle spacing decreases

12.

When a substance changes from a liquid to a solid

(Generally speaking, with the exclusion of water)

a)

the energy decreases and the particle spacing increases

b)

the energy decreases and the particle spacing decreases

c)

the energy increases and the particle spacing increases

d)

the energy increases and the particle spacing decreases

13.

When a substance changes from a solid to a liquid

(Generally speaking, with the exclusion of water)

a)

the energy decreases and the particle spacing increases

b)

the energy decreases and the particle spacing decreases

c)

the energy increases and the particle spacing increases

d)

the energy increases and the particle spacing decreases

14.

When a substance changes from a liquid to a gas

(Generally speaking, with the exclusion of water)

a)

the energy decreases and the particle spacing increases

b)

the energy decreases and the particle spacing decreases

c)

the energy increases and the particle spacing increases

d)

the energy increases and the particle spacing decreases

15.

What are the three main states (phases) of matter?

a)

metals, non-metals, and metalloids

b)

atoms, elements, and compounds

c)

pure substances, heterogenous mixtures, and homogenous mixtures

d)

solids, liquids, and gases

16.

What is a physical property that allows a substance to transmit electricity or heat?

a)

density

b)

texture

c)

malleability

d)

conductivity

17.

In which state of matter are particles close together and only vibrate in place?

a)

solid

b)

liquid

c)

gas

d)

solid and liquid only

18.

In which state of matter are particles close together but loose enough to glide past each other?

a)

solid

b)

liquid

c)

gas

d)

solid and liquid only

19.

In which state of matter are particles far apart and can freely move?

a)

solid

b)

liquid

c)

gas

d)

solid and liquid only

20.

When something phases from a liquid to a gas it is known as the

a)

boiling point

b)

melting point

c)

freezing point

d)

all point

21.

When something phases from a liquid to a solid it is known as the

a)

boiling point

b)

melting point

c)

freezing point

d)

all point

22.

When something phases from a solid to a liquid it is known as the

a)

boiling point

b)

melting point

c)

freezing point

d)

all point

23.

The amount of matter in an object

a)

Mass

b)

Density

c)

Volume

d)

Weight

24.

Mass under the influence of gravitational pull

a)

Matter

b)

Volume

c)

Density

d)

Weight

25.

Anything that takes up space and has mass

a)

Matter

b)

Volume

c)

Density

d)

Weight

26.

The amount of space an object occupies

a)

Matter

b)

Volume

c)

Density

d)

Weight

27.

The amount of mass in a given object

a)

Matter

b)

Volume

c)

Density

d)

Weight

28.

The phases of matter of water are

a)

chemical properties

b)

physical properties

c)

biological properties

d)

all properties

29.

In an object, if the average movement of particles (K.E.) increases, the temperature will

a)

stay the same

b)

increase

c)

decrease

d)

decrease then increase

30.

There are usually multiple methods for organizing items and information in a scientific investigation.

a)

True

b)

False

31.

In a density tower, where would a substance with a mass of 10 g and a volume of 20 mL float?

a)

at the top

b)

at the bottom

c)

suspended in the middle

d)

right below the surface

32.

A material that can carry electricity to light a light bulb is a

a)

conductor.

b)

Nonconductor (Insulator).

33.

A material that cannot carry electricity to light a light bulb is a

a)

conductor.

b)

Nonconductor (Insulator).